report
1 データ概要
1.1 生データ
| experiment_type | TimeStamp | Voltage | Current | Ah | Wh | Power | Battery_Temp_degC | Time | Chamber_Temp_degC | SOC | Drive_Cycle | prev_SOC | diff_SOC | prev_Time | diff_Time | prev_V | diff_V | dV | cumsum_V | prev_A | diff_A | dA | cumsum_A | prev_Power | diff_Power | dPower | avg_Power | cumsum_Power | flg_A_gt_n25 | eff_Power | diff_Temp_degC | eff_Temp_degC | flg_curr_gt_0 | zero_one_curr_gt_0 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n_10_Cycle_1 | 2017-06-10 11:25:41 | 4.10596 | -1.80146 | -0.00005 | − | -7.396723 | -10.15814 | 0.0000000 | -10 | 99.99828 | Cycle_1 | − | − | − | − | − | − | − | 4.10596 | − | − | − | -1.80146 | − | − | − | − | -7.396723 | TRUE | − | -0.158136 | − | FALSE | 1 |
| n_10_Cycle_1 | 2017-06-10 11:25:41 | 4.01524 | -1.84964 | -0.00010 | − | -7.426749 | -10.15814 | 0.1020011 | -10 | 99.99655 | Cycle_1 | 99.99828 | -0.0017241 | 0.0000000 | 0.1020011 | 4.10596 | -0.09072 | -0.8894026 | 8.12120 | -1.80146 | -0.04818 | -0.4723481 | -3.65110 | -7.396723 | -0.0300258 | -0.2943677 | -7.411736 | -14.823471 | TRUE | 0.7560049 | -0.158136 | -0.0161300 | FALSE | 1 |
| n_10_Cycle_1 | 2017-06-10 11:25:41 | 3.95799 | -1.88639 | -0.00015 | − | -7.466313 | -10.15814 | 0.1970015 | -10 | 99.99483 | Cycle_1 | 99.99655 | -0.0017241 | 0.1020011 | 0.0950005 | 4.01524 | -0.05725 | -0.6026285 | 12.07919 | -1.84964 | -0.03675 | -0.3868401 | -5.53749 | -7.426749 | -0.0395642 | -0.4164636 | -7.446531 | -22.289784 | TRUE | 0.7074241 | -0.158136 | -0.0150230 | FALSE | 1 |
| n_10_Cycle_1 | 2017-06-10 11:25:41 | 3.90973 | -1.91824 | -0.00021 | − | -7.499801 | -10.15814 | 0.3000084 | -10 | 99.99276 | Cycle_1 | 99.99483 | -0.0020690 | 0.1970015 | 0.1030069 | 3.95799 | -0.04826 | -0.4685124 | 15.98892 | -1.88639 | -0.03185 | -0.3092026 | -7.45573 | -7.466313 | -0.0334877 | -0.3251018 | -7.483057 | -29.789584 | TRUE | 0.7708063 | -0.158136 | -0.0162891 | FALSE | 1 |
| n_10_Cycle_1 | 2017-06-10 11:25:41 | 3.86920 | -1.94519 | -0.00026 | − | -7.526329 | -10.15814 | 0.3980063 | -10 | 99.99103 | Cycle_1 | 99.99276 | -0.0017241 | 0.3000084 | 0.0979979 | 3.90973 | -0.04053 | -0.4135805 | 19.85812 | -1.91824 | -0.02695 | -0.2750060 | -9.40092 | -7.499801 | -0.0265287 | -0.2707067 | -7.513065 | -37.315914 | TRUE | 0.7362643 | -0.158136 | -0.0154970 | FALSE | 1 |
1.2 サマリー
1.2.1 character
| skim_variable | n_missing | complete_rate | min | max | empty | n_unique | whitespace |
|---|---|---|---|---|---|---|---|
| experiment_type | 0 | 1 | 6 | 12 | 0 | 15 | 0 |
| Drive_Cycle | 0 | 1 | 2 | 7 | 0 | 3 | 0 |
1.2.2 logical
| skim_variable | n_missing | complete_rate | mean | count |
|---|---|---|---|---|
| flg_A_gt_n25 | 0 | 1 | 0.5690324 | TRU: 526211, FAL: 398536 |
| flg_curr_gt_0 | 0 | 1 | 0.1209304 | FAL: 812917, TRU: 111830 |
1.2.3 numeric
| skim_variable | n_missing | complete_rate | mean | sd | p0 | p25 | p50 | p75 | p100 | hist |
|---|---|---|---|---|---|---|---|---|---|---|
| Voltage | 0 | 1.0000000 | 3.589 | 0.308 | 2.456 | 3.430 | 3.613 | 3.809 | 4.273 | ▁▁▆▇▂ |
| Current | 0 | 1.0000000 | -1.294 | 2.460 | -20.822 | -2.194 | -0.602 | -0.068 | 10.706 | ▁▁▃▇▁ |
| Ah | 0 | 1.0000000 | -1.128 | 0.681 | -2.696 | -1.676 | -1.072 | -0.558 | -0.000 | ▂▆▇▇▇ |
| Wh | 85312 | 0.9077456 | -4.003 | 2.354 | -9.415 | -5.905 | -3.812 | -2.066 | -0.000 | ▂▆▇▇▇ |
| Power | 0 | 1.0000000 | -4.274 | 8.227 | -53.564 | -7.719 | -2.156 | -0.275 | 36.809 | ▁▁▇▁▁ |
| Battery_Temp_degC | 0 | 1.0000000 | 10.067 | 13.606 | -20.343 | -0.083 | 11.845 | 25.844 | 32.972 | ▂▅▆▆▇ |
| Time | 0 | 1.0000000 | 3,776.864 | 2,768.558 | 0.000 | 1,544.234 | 3,167.316 | 5,509.190 | 11,433.336 | ▇▆▃▂▁ |
| Chamber_Temp_degC | 0 | 1.0000000 | 5.777 | 15.328 | -20.000 | -10.000 | 10.000 | 25.000 | 25.000 | ▃▅▆▇▇ |
| SOC | 0 | 1.0000000 | 61.103 | 23.468 | 7.049 | 42.215 | 63.029 | 80.741 | 100.000 | ▂▆▇▇▇ |
| prev_SOC | 15 | 0.9999838 | 61.104 | 23.468 | 7.049 | 42.217 | 63.029 | 80.742 | 100.000 | ▂▆▇▇▇ |
| diff_SOC | 15 | 0.9999838 | -0.001 | 0.002 | -0.039 | -0.002 | -0.001 | 0.000 | 0.014 | ▁▁▁▇▁ |
| prev_Time | 15 | 0.9999838 | 3,776.825 | 2,768.539 | 0.000 | 1,544.205 | 3,167.291 | 5,509.143 | 11,433.219 | ▇▆▃▂▁ |
| diff_Time | 15 | 0.9999838 | 0.100 | 0.023 | 0.000 | 0.097 | 0.100 | 0.103 | 2.381 | ▇▁▁▁▁ |
| prev_V | 15 | 0.9999838 | 3.589 | 0.308 | 2.456 | 3.430 | 3.613 | 3.809 | 4.273 | ▁▁▆▇▂ |
| diff_V | 15 | 0.9999838 | -0.000 | 0.014 | -0.468 | -0.001 | 0.000 | 0.001 | 0.719 | ▁▇▁▁▁ |
| dV | 15 | 0.9999838 | -0.000 | 0.136 | -4.543 | -0.006 | 0.000 | 0.006 | 7.123 | ▁▇▁▁▁ |
| cumsum_V | 0 | 1.0000000 | 141,498.064 | 103,333.744 | 4.079 | 58,264.180 | 118,140.739 | 207,008.858 | 422,134.172 | ▇▆▃▂▁ |
| prev_A | 15 | 0.9999838 | -1.294 | 2.460 | -20.822 | -2.194 | -0.602 | -0.068 | 10.706 | ▁▁▃▇▁ |
| diff_A | 15 | 0.9999838 | 0.000 | 0.434 | -12.666 | -0.001 | 0.000 | 0.001 | 20.458 | ▁▇▁▁▁ |
| dA | 15 | 0.9999838 | 0.000 | 4.339 | -129.248 | -0.009 | 0.000 | 0.008 | 205.826 | ▁▇▁▁▁ |
| cumsum_A | 0 | 1.0000000 | -40,616.100 | 24,499.455 | -97,076.714 | -60,344.529 | -38,605.847 | -20,137.178 | -0.011 | ▂▆▇▇▇ |
| prev_Power | 15 | 0.9999838 | -4.274 | 8.227 | -53.564 | -7.719 | -2.157 | -0.275 | 36.809 | ▁▁▇▁▁ |
| diff_Power | 15 | 0.9999838 | 0.000 | 1.474 | -43.612 | -0.003 | 0.000 | 0.003 | 53.567 | ▁▁▇▁▁ |
| dPower | 15 | 0.9999838 | 0.000 | 14.747 | -445.031 | -0.031 | 0.000 | 0.029 | 581.616 | ▁▁▇▁▁ |
| avg_Power | 15 | 0.9999838 | -4.274 | 8.194 | -53.558 | -7.734 | -2.200 | -0.276 | 36.694 | ▁▁▇▁▁ |
| cumsum_Power | 0 | 1.0000000 | -141,768.351 | 83,637.840 | -339,118.714 | -209,326.517 | -135,110.770 | -72,590.710 | -0.044 | ▂▆▇▇▇ |
| eff_Power | 15 | 0.9999838 | 0.427 | 0.820 | -3.835 | 0.026 | 0.222 | 0.773 | 5.878 | ▁▆▇▁▁ |
| diff_Temp_degC | 0 | 1.0000000 | 4.290 | 3.152 | -3.230 | 2.238 | 3.354 | 5.634 | 19.894 | ▁▇▂▁▁ |
| eff_Temp_degC | 15 | 0.9999838 | 0.430 | 0.335 | -2.550 | 0.219 | 0.339 | 0.563 | 30.009 | ▇▁▁▁▁ |
| zero_one_curr_gt_0 | 0 | 1.0000000 | 0.953 | 0.211 | 0.000 | 1.000 | 1.000 | 1.000 | 1.000 | ▁▁▁▁▇ |
1.2.4 POSIXct
| skim_variable | n_missing | complete_rate | min | max | median | n_unique |
|---|---|---|---|---|---|---|
| TimeStamp | 10 | 0.9999892 | 2017-03-18 02:17:35 | 2017-06-26 18:01:22 | 2017-04-09 21:51:18 | 92597 |
2 SOC
2.1 時系列の推移
3 線形モデルの構築
3.1 モデル
| term | estimate | std.error | statistic | p.value |
|---|---|---|---|---|
| (Intercept) | -0.000000 | 0.000001 | -0.3 | 0.764 |
| eff_Power | -0.003174 | 0.000006 | -495.4 | 0.000 |
| Current | 0.000955 | 0.000002 | 481.6 | 0.000 |
| eff_Power:eff_Temp_degC | 0.000006 | 0.000002 | 2.5 | 0.013 |
| Current:Voltage | -0.000316 | 0.000001 | -371.1 | 0.000 |
3.2 スコア
| score |
|---|
| 0.03233 |
3.3 予測と正解の分布
明らかに 2 群に分かれている。
点を分離する事を考えてみる
| flg | Voltage | diff_V | dV | Current | flg_curr_gt_0 | diff_A | dA | Ah | Wh | Power | Battery_Temp_degC | diff_Temp_degC | eff_Power | eff_Temp_degC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FALSE | 3.361 | 0.002 | 0.018 | -4.41 | 12% | 0.25 | 2.56 | -1.38 | -4.83 | -14.09 | 14.49 | 5.21 | 1.49 | 0.54 |
| TRUE | 3.358 | -0.003 | -0.028 | -4.65 | 3% | 0.01 | 0.08 | -1.16 | -4.08 | -15.16 | 10.70 | 5.41 | 1.52 | 0.54 |
消耗の激しい箇所に青色が集中しているように見て取れる
4 Cycle_1
4.1 n_20_Cycle_1
4.2 n_10_Cycle_1
4.3 z_0_Cycle_1
4.4 p_10_Cycle_1
4.5 p_25_Cycle_1
5 NN
5.1 n_20_NN
5.2 n_10_NN
5.3 z_0_NN
5.4 p_10_NN
5.5 p_25_NN
6 US06
6.1 n_20_US06
6.2 n_10_US06
6.3 z_0_US06
6.4 p_10_US06
6.5 p_25_US06
